Niigata Engineering Co., Ltd.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
A01G HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS, OR SEAWEED; FORESTRY; WATERING 131
 
  
 
E01C CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR 128

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6309138 Paving method and paving machineFeb 25, 99Oct 30, 01[E01C]
6000630 Emulsion dispersing device and methodFeb 20, 98Dec 14, 99[A01G]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6135671 Paving materials loading apparatus and paving machineExpiredFeb 26, 99Oct 24, 00[B65G, E01C]
5900259 Molding condition optimizing system for injection molding machineExpiredMay 06, 96May 04, 99[B29C]
5632895 Serum separating device and apparatus for serum separationExpiredAug 11, 94May 27, 97[B01D]
5551858 Apparatus for forming synthetic resinsExpiredSep 01, 94Sep 03, 96[B29C]
5546123 Automatic steering device for asphalt finisherExpiredApr 06, 94Aug 13, 96[H04N]
5484227 Control device for asphalt finisherExpiredApr 06, 94Jan 16, 96[E01C]
5447803 Method for forming titanium nitride film and vessel coated by sameExpiredDec 20, 93Sep 05, 95[C23C, B05D]
5393167 Method for controlling the thickness of pavement and setting the conditions for automatic control of the leveling machineExpiredOct 18, 93Feb 28, 95[E01C]
5361562 Method and apparatus for opening lid of boxExpiredDec 21, 92Nov 08, 94[B65B]
5266199 Serum separating apparatusExpiredNov 19, 91Nov 30, 93[B01D]
4816158 Method for treating waste water from a catalytic cracking unitExpiredMar 18, 87Mar 28, 89[C02F]
4800789 Tool slide device in machine toolExpiredFeb 27, 87Jan 31, 89[B23B]
4798027 Method of and apparatus for sandblasting workpieceExpiredSep 01, 87Jan 17, 89[E06B]
4753051 Apparatus for processing workpiece with sandblastingExpiredJun 10, 86Jun 28, 88[B24C]
4741130 Method and apparatus for sandblasting a workpieceExpiredAug 01, 86May 03, 88[B24C]
4708582 Method for feeding a workExpiredSep 23, 86Nov 24, 87[B65G]
4648171 Magazine for replaceable tools and operation method of indexing tools using the magazineExpiredJan 13, 86Mar 10, 87[B23Q]
4636701 System for controlling rotation of rotary mechanism in Z-type propulsion apparatusExpiredApr 12, 84Jan 13, 87[G05B]
4616397 Magazine for replaceable tools and operation method of indexing tools using the magazineExpiredJan 20, 84Oct 14, 86[B23Q]
4611549 Rotation control system for Z-type propulsion apparatusExpiredNov 26, 84Sep 16, 86[B63H]

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